225 ILCS 100/27
The Department may investigate the actions of any applicant or of any person or persons holding or claiming to hold a license. The Department shall, before suspending, revoking, placing on probationary status or taking any other disciplinary action as the Department may deem proper with regard to any licensee, at least 30 days prior to the date set for the hearing, notify the accused in writing of any charges made and the time and place for a hearing of the charges before the Board, direct him or her to file his or her written answer thereto to the Board under oath within 20 days after the service on him or her of such notice and inform her or him that if he or she fails to file such answer default will be taken against him or her and his or her license may be revoked, suspended, placed on probationary status, or subject to other disciplinary action, including limiting the scope, nature, or extent of his or her practice as the Department may deem proper.
In case the accused person, after receiving notice fails to file an answer, his or her license may, in the discretion of the Secretary having received the recommendation of the Board, be suspended, revoked, or placed on probationary status or the Secretary may take whatever disciplinary action as he or she may deem proper including limiting the scope, nature, or extent of the accused person's practice without a hearing if the act or acts charged constitute sufficient grounds for such action under this Act.
Written or electronic notice may be served by personal delivery, mail, or email to the applicant or licensee at his or her address of record or email address of record . At the time and placed fixed in the notice, the Board shall proceed to hear the charges and the parties or their counsel shall be accorded ample opportunity to present such statements, testimony, evidence and argument as may be pertinent to the charges or to the defense thereto. The Board may continue such hearing from time to time.
225 ILCS 100/27